Revision 1

Conservation is the spine of Planet Zoo 2 rather than an optional objective bolted onto a builder. Frontier frames the whole game around it, from the way species are researched and modelled through to the Wildlife Reserves that let a player follow an animal beyond the zoo gates.

The Conservation Chain

The sequel joins several systems into one arc. An animal is bred and raised in a zoo, its welfare is kept high, it meets the requirements for a release group, and it is then reintroduced into a reserve where it fills an ecological role and adds to the wild population of its species.

Frontier draws the contrast with the original game itself: releasing an animal there was abstracted into a button press that granted conservation credit and said goodbye. In the sequel the player follows the animal out, supports it from a distance, and watches it live out its life in the wild.

Conservation Credits

Conservation credit is tracked as a separate balance from cash, shown on the zoo status readout described under Guests and Management. Reserves earn Conservation Credits by producing new insight into how animals behave naturally, which is what makes a research network in a reserve worth building.

Which Animals Can Be Released

Rewilding is deliberately selective. Only species that have an appropriate reserve to go to can be released, because each reserve is built around a real landscape and a matching set of animals. Frontier explains the restriction as an editorial decision rather than a technical one: it considers how it represents each species, and it wants a reserve to feel as alive as the animals in it. The set of releasable species grows as the reserve roster grows.

The studio has said it is looking at how it can keep exploring the wider wild world through reserves and how its species list grows alongside them, but it has not committed to specific future additions.

Research Behind the Animals

The conservation theme also shapes how the animals were made. Frontier researches every species with input from subject experts and from the IUCN Red List, alongside large photo and video reference catalogues, and it extends that research to sound as well as appearance. Its choice of aquatic species in particular was guided by real-world husbandry and ethical practice, keeping to animals whose requirements the game can actually meet.

As of 13 September 2026, the studio has not committed either way on cetaceans. Asked directly, it has said that dolphins, whales, and porpoises are popular animals but that it matters to the team that every species has an environment properly reflecting its requirements, and that it is watching how conservation research and modern aquarium rewilding programmes for that group develop. Nothing has been ruled in or out. That answer is unchanged on the official frequently asked questions page as of this date.

In the Career

Career mode makes the theme explicit by casting the player as the new Conservation Coordinator for the Fauna and Ecosystems Network, travelling between reserves, zoos, and scenarios. The modes are covered under Game Modes, and the network management layer under Planet Hub.